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. .
, . - : (Red), (Green) (Blue). RGB , , , , .
(chrominance or chroma signal) (luminance signal). , . - , (subcarrier). (composite signal). VHS.
- . , "" .
, . : S-Video, RGB, Y, Pb, Pr .
(component signal) - , . Y/C, ( Y) . C. Y/C S-VHS Hi-8. YUV-. , . U-Matic, Betacam, Betacam SP, M-II D-3. YUV- , Y , U V. YUV , , PAL, SECAM, NTSC - . YUV , . YUV , YUV .
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. , . . . .
1. R, G .
2. R, G Er, g Eb.
3. ( - ) Er- Eg-y Eb-y
, , . , - , , , () .
R, G (59%) G. Y. , - , , . Er b , g ( 39 11%). . r-y Eb-y , g- .
4. , Er-y Eb-y .
5. , Er-y Eb-y , Er, g b.
6. , Er, g b R, G .
7. R, G .
, . -, , , -, . .
. . , .
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NTSC ( . National Television Standards Committee ), .
NTSC (National Television Systems Committee). NTSC 1948 . NTSC , . .
30 c ( , - ). , , - 60 . NTSC 525 , 484 . 16 . NTSC "Super NTSC" "169", MPEG DVD.
PAL ( . Phase Alternation Line ), , , ;
PAL : 25 c , 625 . NTSC, PAL , , , . 1967 PAL , , . , PAL-M, , 30 , 525 .
SECAM ( . Systeme Sequentiel Couleurs a Me moire ), , , , ;
SECAM PAL. . , NTSC . SECAM - SECAM SECAM.
PAL, SECAM PAL ( ), .
. , . 4:32. () ( ). SECAM PAL 25 ( 625), NTSC 29,97 ( 525). 10 % .
. , . .
, , . (reel-to-reel formats), / .
. , , . , , . /. -, . -, , . -, , , .. .
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. . , . , ( ) 1/2 . , , S-VHS Betacam.
, 3/4 . .
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VHS (Video Home System) , , Hi-Fi (High-Fidelity). 12,6, . 240 , . , . . 4 . , 2 . VHS ( 12 ). . , .
VHS-C. , . , VHS, , 8 VHS. 45 , . (4-8 ). .
S-VHS (Super Video Home System). , VHS, . 12,6. 400-420 . , - , . . , . 4 , ( 3 VHS). VHS- , S-VHS-. S-VHS , , ( 10 ). S-VHS.
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S-VHS-C. S-VHS ( ). - , S-VHS.
Video-8. . 8- . 240-250 , Vitleo-8XR 280 . , , ( - ). . 90 , ( 4 VHS). Vidcor8 .
Hi8. Video-8. 380-420 , H18XR 420. , . 90 , ( 6 VHS). Hi8 ( ).
Digital-VHS. VHS MPEG-2. . ( ) VHS . Digital-VHS- (S) VHS, .
Betacam SP (Superior Performance) Betacam, Sony. , 1/2" . Betacam SP , "" , .
. . . Mini-DV, Digitals DVD 3,5- .
Mini-DV. 66 48 12 : 6,35 . 60 ( LP 90 ). , 20 VMS.
Digital 8. 1118 Vidco-8 ( ), 1,5 . 60 .